Vented closure for container

Details Vented closure for container Vented closure for container

A - Human Necessities

47

G

A47G 19/22 (2006.01) A47G 21/18 (2006.01)

Patent

CA 2666575

A vented closure is provided for use on a liquid container. The body of the closure (16) includes a dispensing port and a vent (28) extending therethrough with the vent adjacent the dispensing port (26). The tube (32) extends through the dispensing port (26) and has a flange (38) extending laterally therefrom, engaging the outer surface (20) of the closure body. A flexible seal (40) member is positioned on the tube (32), spaced from the inner surface (28) and having a frusto-conical shape where the inner end (40a) of the member is formed at the tube (32). The outer end (40b) is spaced away from the tube (32) and engages the inner surface (28) of the closure body (16), forming a hollow area (41) between the member (40) and the tube (32). The flexible seal member (40) is movable radially away from the tube (32) and away from the inner surface (28) to the inflow of air through the vent and over the flexible seal member (40).

La présente invention concerne une fermeture aérée destinée à un récipient de liquide. Le corps de la fermeture comprend un orifice de distribution et un évent le traversant, l'évent étant adjacent à l'orifice de distribution. Le tube traverse l'orifice de distribution et possède un rebord se prolongeant latéralement depuis celui-ci et venant au contact de la surface externe du corps de fermeture. Un élément d'étanchéité flexible est disposé sur le tube de manière à être espacé de la surface interne et présente une forme tronconique où l'extrémité interne de l'élément est formée sur le tube. L'extrémité externe est espacée du tube et vient au contact de la surface interne du corps de fermeture, formant ainsi une zone creuse entre l'élément et le tube. L'élément d'étanchéité flexible peut s'éloigner radialement du tube et de la surface interne en direction de l'entrée d'air traversant l'évent et passant au-dessus de l'élément d'étanchéité flexible.

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